Soil type known for occurring in tropical rain forests
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Oxisol
Oxisol profile
Used in
USDA soil taxonomy
Profile
OABC
Key process
leaching, weathering
Climate
tropical
Oxisols are a soil order in USDA soil taxonomy, best known for their occurrence in tropical rain forest within 25 degrees north and south of the Equator. In the World Reference Base for Soil Resources (WRB),[1] they belong mainly to the ferralsols, but some are plinthosols or nitisols. Some oxisols have been previously classified as laterite soils.
^IUSS Working Group WRB (2022). "World Reference Base for Soil Resources, fourth edition" (PDF). International Union of Soil Sciences, Vienna.
Oxisols are a soil order in USDA soil taxonomy, best known for their occurrence in tropical rain forest within 25 degrees north and south of the Equator...
hardwood forests with very thick A horizons. They are 7% of soils worldwide. Oxisol – are heavily weathered, are rich in iron and aluminum oxides (sesquioxides)...
savanna) have become exposed to increasingly arid climates which cause former oxisols, ultisols or even alfisols to dry out in such a manner that a very hard...
paleopedological record ever since the Silurian; however, unlike other soil orders (oxisol, ultisol, gelisol, etc) they do not have value as indicators of climate...
For the soil type, see oxisol. Torrox is a municipality in the province of Málaga in the autonomous community of Andalusia, southern Spain. It belongs...
weathered tropical soils, with high levels of iron and aluminium oxides (oxisol) and mercury, and they contain high levels of natural radioactivity. There...
oxisols. Ultisols are known as well weathered, acidic red clay soils, deficient in major nutrients such as calcium and potassium. Similarly, oxisols are...
acidic to neutral (pH 3.6–7.4) and either a Histosol, Mollisol, Podsol, Oxisol, Ultisol, or Alfisol. Rainfall of 1,000–3,000 mm (39–118 in) per year is...
phosphate, iron, and aluminum in the proteoid rhizosphere in samples of an oxisol and a luvisol". Zeitschrift für Pflanzenernährung und Bodenkunde. 157 (4):...
well-drained mollisols, through heavy cracking vertisols, infertile acid oxisols and ultisols, peaty histosols, to rocky andisols. Both plentiful sunshine...
Eduardo S.; Rowell, David L. (1996). "Mineral and organic fractions of two oxisols and their influence on effective cation-exchange capacity". Soil Science...
particles conglomerated into rock by oxidized iron compounds from ground water Oxisol – Soil type known for occurring in tropical rain forests Plinthosol – Iron-rich...
concentration of iron and aluminium oxides by the laterization process gives the oxisols a bright red colour and sometimes produces mineral deposits such as bauxite...
Lehmann, Johannes (July 2012). "Nutrient Leaching in a Colombian Savanna Oxisol Amended with Biochar". Journal of Environmental Quality. 41 (4): 1076–1086...
Rigon Hoffman, and Luiz Felippe Salemi. "Soil physical properties in an oxisol under a syntropic agroforestry system: row versus inter-row." Revista Brasileira...
neighboring regions), and the Chernozemic soils of the Canadian prairies. Oxisols occur only in tropical environments, which have very limited extent in...
deplancheanum occurs on ferralitic ferritic desaturated hardpan or gravelly soils (oxisol) on the southern massif at altitudes between 200 and 1,000 m". There are...
their fertility, they are the oldest forest soils; vegetation on weathered Oxisols, by contrast, is not known earlier than Middle Permian. Fossil Alfisols...
results. Red soils include multiple soil types (e.g. ultisols, alfisols, oxisols) that are classified as red soil when they develop a distinct reddish color...
of the total soil organic carbon. It can reach 35% like in Terra Preta Oxisols (Brazilian Amazonia) (Glaser et al., 1998, 2000) up to 45 % in some chernozemic...
but the classification of soils as various types of oxisols is more useful for agriculture. Oxisols of the type called rhodic ferralsols, or Yasothon soils...
to the Humult, Udult and Ustult suborders of the Ultisols and also to Oxisols with a kandic horizon and to some Alfisols. The Acrisols low fertility...
content of iron and aluminium oxides. They are typically classified as oxisols (USDA soil taxonomy) or ferralsols (World Reference Base for Soil Resources)...
Evaluation Using the Soil Management Assessment Framework (SMAF) in Brazilian Oxisols with Contrasting Texture". Revista Brasileira de Ciência do Solo. 41. doi:10...
Cerrado vegetation. Cerrado soils are always well-drained and most are oxisols with low pH and low calcium and magnesium. The amount of potassium, nitrogen...
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